$114 Cheap Frontier Airlines flights Boston (BOS) to Chicago (ORD)

$114 Cheap Frontier Airlines flights Boston (BOS) to Chicago (ORD)

Prices were available within the past 7 days and start at $114 for one-way flights and $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 12 - Tue, Jun 16

BOS

Boston

ORD

Chicago

$220 Roundtrip, found 5 days ago

$220

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jun 12 from Boston to Chicago, returning Tue, Jun 16, priced at $220 found 5 days ago

Fri, Jun 12 - Thu, Jun 18

BOS

Boston

ORD

Chicago

$239 Roundtrip, found 5 days ago

$239

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jun 12 from Boston to Chicago, returning Thu, Jun 18, priced at $239 found 5 days ago

Fri, Jun 12 - Fri, Jun 19

BOS

Boston

ORD

Chicago

$240 Roundtrip, found 5 days ago

$240

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jun 12 from Boston to Chicago, returning Fri, Jun 19, priced at $240 found 5 days ago

Sat, Sep 19 - Sun, Sep 27

BOS

Boston

ORD

Chicago

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Sep 19 from Boston to Chicago, returning Sun, Sep 27, priced at $257 found 3 days ago

Sat, May 30 - Mon, Jun 1

BOS

Boston

ORD

Chicago

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 30 from Boston to Chicago, returning Mon, Jun 1, priced at $269 found 1 day ago